Nigel/BarinkOS
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WIP: drivers and boot

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Nigel Barink
2025-11-16 20:41:20 +01:00
parent 6086b04054
commit b3392eb322
6 changed files with 147 additions and 63 deletions
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6
kernel/boot/boot.s
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@ -59,6 +59,10 @@ _start:
movl $(boot_page_table - 0xC0000000 + 0x003), boot_page_directory - 0xC0000000 + 0
movl $(boot_page_table - 0xC0000000 + 0x003), boot_page_directory - 0xC0000000 + 768 * 4
# movl source, destination
movl $(boot_page_directory - 0xC0000000 + 0x003), boot_page_directory - 0xC0000000 + 1024 * 4
# Set cr3 to the address of the boot_page_directory
movl $(boot_page_directory - 0xC0000000), %ecx
movl %ecx, %cr3
@ -98,7 +102,7 @@ isPaging:
call prekernelSetup
# Unmap the identity mapping as it is now unnecessary
# movl $0, boot_page_directory + 0
movl $0, boot_page_directory + 0
call kernel